We recruited 50 participants through newspaper and campus advertisements, divided into men with experience in weightlifting, and 7 participants withdrew from the experiment. As a result, only 43 participants were left, and 3 of the 43 participants withdrew due to physical and health problems, including accidents, so only 40 participants were left.<br>Therefore, we divided all the remaining participants into four main groups: placebo without exercise; Taking androgen without exercise; Placebo plus exercise; And androgen plus exercise.<br>We will conduct a 30-week study, which is divided into 4 weeks of control period, 10 weeks of treatment period and 16 weeks of recovery period.<br>And find out the difference between the results of each group, that is, the effect of supraphysiological dose on the muscle size and strength of normal men is different between each group.
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